Photo Researchers ftp March 2011

The mitsudomoe symbol once signified the three treasures of Buddha. Copyright 1976.

The mitsudomoe symbol once signified the three treasures of Buddha. Copyright 1976.

Carl Zeiss (September 11, 1816 - December 3, 1888). an optician commonly known for the company he founded, Carl Zeiss Jena.

William Wollaston (1766-1828), English chemist. Wollaston is known for his discovery of palladium and rhodium. In 1800, having given up a medical prac...

Count Ferdinand von Zeppelin (1838-1917), German inventor of the airship. Von Zeppelin conceived the idea of confining the hot air balloon, first deve...

Sir Frederick Grant Banting (1891-1941), Canadian medical scientist, doctor and co-winner of the 1923 Nobel Prize in Physiology and Medicine for disco...

Sir Charles Wheatstone (1802-1875), British inventor. He is best known for the Wheatstone Bridge, a device for determining the resistance of an electr...

Friedrich Wohler (1800-1882), the German chemist. Wohler discovered the cyanates and, in 1828, showed that heating the inorganic compound ammonium cya...

Scottish physician, Alexander Wood, introduced the technique of hypodermic medication in 1853, administering morphine subcutaneously to relieve the sy...

Ancient catacombs. Copyright 1969.

Ancient catacombs. Copyright 1969.

Ancient catacombs. Copyright 1969.

Ahiriman in an Islamic miniature, as an old man who offers the fatal fruit to the first human beings. The Zoroastrians borrowed the story of Adam and...

A compass of the type used by the masters of feng-shui, the art of sacred geometry. Copyright 1994.

A compass of the type used by the masters of feng-shui, the art of sacred geometry. Copyright 1994.

A compass of the type used by the masters of feng-shui, the art of sacred geometry. Copyright 1994.

The swastika has been used as a decoration or mystical symbol in many parts of the world. Swastika pattern of the Navaho Indians. Copyright 1970.

The swastika has been used as a decoration or mystical symbol in many parts of the world. Swastika pattern of the Navaho Indians. Copyright 1970.

The swastika has been used as a decoration or mystical symbol in many parts of the world. Swastika pattern of the Navaho Indians. Copyright 1970.

The swastika has been used as a decoration or mystical symbol in many parts of the world. Swastika pattern of the Navaho Indians. Copyright 1970.

Diagram of the Sefirothic Tree, showing the Divine attributes, the Jewish mystical system enshrined in the Kabbalah. From Paulus Ricius' Portae Lucis,...

The 4 temperaments, with medieval symbols. Choleric, Sanguine, Phlegmatic and Melancholic. Copyright 1989.

Carl Zeiss (September 11, 1816 - December 3, 1888). an optician commonly known for the company he founded, Carl Zeiss Jena.

Albertus Magnus (1193/1206-1280), a Dominican friar and bishop who believed in the peaceful coexistence of science and religion. Medieval philosophers...

Astronomical clock at the United States Naval observatory, Washington.

Adam Lonicerus (Lonitzer) city physician at Frankfurt-am-Main, had this woodcut made for his 'Herbal' of 1578. Above, the woman herbalist is fetching...

Kitchen herb illustration.

Kitchen herb illustration.

Kitchen herb illustration.

Albertus Magnus (1193/1206-1280), a Dominican friar and bishop who believed in the peaceful coexistence of science and religion. Medieval philosophers...

Albertus Magnus (1193/1206-1280), a Dominican friar and bishop who believed in the peaceful coexistence of science and religion. Medieval philosophers...

This portrait of Atahualpa give the lord Inca a Madonna's features and an exotic costume.

This portrait of Atahualpa give the lord Inca a Madonna's features and an exotic costume.

This portrait of Atahualpa give the lord Inca a Madonna's features and an exotic costume.

The sensual, pleasure-loving character of Venus, from a German woodcut.

The sensual, pleasure-loving character of Venus, from a German woodcut.

The sensual, pleasure-loving character of Venus, from a German woodcut.

Allegorical death scene of a dying man surrounded by angels.

Allegorical death scene of a dying man surrounded by angels.

Allegorical death scene of a dying man surrounded by angels.

Astronomical clock at the United States Naval observatory, Washington.

Astronomical clock at the United States Naval observatory, Washington.

Adam Lonicerus (Lonitzer) city physician at Frankfurt-am-Main, had this woodcut made for his 'Herbal' of 1578. Above, the woman herbalist is fetching...

Adam Lonicerus (Lonitzer) city physician at Frankfurt-am-Main, had this woodcut made for his 'Herbal' of 1578. Above, the woman herbalist is fetching...

Adam Lonicerus (Lonitzer) city physician at Frankfurt-am-Main, had this woodcut made for his 'Herbal' of 1578. Above, the woman herbalist is fetching...

Engraving of a surgeon with his varied equipment.

Tigris and Euphrates valleys: Nineveh, Babylon and the Tower of Babel.

Essential oil distillation from fresh herbs in the middle ages to produce aromatic medicines and perfumes.

Priest anoints a dying man with holy oil. People in the middle ages believed it was important to die properly. They thought that if they did not make...

Priest anoints a dying man with holy oil. People in the middle ages believed it was important to die properly. They thought that if they did not make...